ggajos.github.com/index.html at master · ggajos/ggajos.github.com · GitHub

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<!doctype html>
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    <title>
      Grzegorz Gajos | Architect of Reliability | Senior Software Engineer
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      content="Grzegorz Gajos - Senior Software Engineer with 16+ years of experience. Co-founder of Open Tangerine, Software Engineer at Allegro. Expert in Java, JavaScript, microservices architecture, and building scalable distributed systems."
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      <h1>Grzegorz Gajos - Senior Software Engineer</h1>
      <h2>Professional Summary</h2>
      <p>
        I'm Grzegorz Gajos, a Senior Software Engineer with over 16 years of
        experience in building scalable, reliable distributed systems. I
        specialize in backend development, microservices architecture, and
        creating robust software solutions that power business-critical
        applications.
      </p>

      <h2>Current Positions</h2>
      <article>
        <h3>Software Engineer at Allegro (2021 - Present)</h3>
        <p>
          Software Engineer specializing in the Merchant Finance domain. I
          develop scalable backend solutions that bridge the e-commerce platform
          with external financial institutions. My work focuses on designing and
          implementing secure integrations with strategic banking partners to
          enable seamless financial services for merchants.
        </p>
      </article>

      <article>
        <h3>Co-Founder at Open Tangerine (2012 - Present)</h3>
        <p>
          Managing roadmaps, tasks and deadlines. Delivering high-quality
          software solutions and maintaining long-term client relationships
          through competence, loyalty, and technical excellence.
        </p>
      </article>

      <article>
        <h3>Software Engineer at 7N (2017 - Present)</h3>
        <p>
          Delivering high-impact software solutions for enterprise clients
          through contract-based engagements. Acting as technical leader and
          architect across diverse projects.
        </p>
      </article>

      <h2>Technical Expertise</h2>
      <ul>
        <li>Programming Languages: Java, JavaScript, Groovy</li>
        <li>
          Frameworks & Technologies: Grails, Spring, Microservices Architecture
        </li>
        <li>
          Specializations: Backend Development, API Design, Distributed Systems,
          System Integration
        </li>
        <li>
          Domain Expertise: E-commerce, Financial Technology, Enterprise
          Solutions
        </li>
      </ul>

      <h2>Professional Skills</h2>
      <ul>
        <li>Scalable Backend Solutions</li>
        <li>Microservices Architecture</li>
        <li>API Gateway Development</li>
        <li>System Integration</li>
        <li>Database Design and Optimization</li>
        <li>DevOps and CI/CD</li>
        <li>Technical Leadership</li>
        <li>Software Architecture</li>
      </ul>

      <h2>Contact Information</h2>
      <p>
        Email: <a href="mailto:gagreg@gmail.com">gagreg@gmail.com</a><br />
        LinkedIn:
        <a href="https://www.linkedin.com/in/ggajos">linkedin.com/in/ggajos</a
        ><br />
        Company: <a href="https://opentangerine.com">opentangerine.com</a>
      </p>

      <h2>Location</h2>
      <p>Katowice Metropolitan Area, Poland</p>
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